At this time, we only offer Pay & Go for iPhone 4 in black. iPhone 4 in white is coming soon to Pay & Go. If you're already on Pay & Go with O2 and buying iPhone 4 in black, you'll need to transfer your existing O2 number, balance and tariff onto a new micro sim.You can do this by filling in this form.t this time, we only offer Pay & Go for iPhone 4 in black. iPhone 4 in white is coming soon to Pay & Go. If you're already on Pay & Go with O2 and buying iPhone 4 in black, you'll need to transfer your existing O2 number, balance and tariff onto a new micro sim.
Helsinki: Annual Weather Averages. July is the hottest month in Helsinki with an average temperature of 17Â°C (62Â°F) and the coldest is February at -6Â°C (22Â°F). The wettest month is August with an average of 90mm of rain. The best month to swim in the sea is in August when the average sea temperature is 13Â°C (55Â°F). Loading weather data.
The average sea tempeature is 13 Â°C (55.4 Â°F). The average temperature in Helsinki in September is quite mild at 11.5 Â°C (52.7 Â°F). Afternoons can be mild with average high temperatures reaching 15 Â°C (59 Â°F). Overnight temperatures are generally a little cool with an average low of 8 Â°C (46.4 Â°F). In September the range/ variation of daily mean temperatures is 7 Â°C (12.6 Â°F). The weather in September is somewhat dry with rain once in a while. Just 71mm (2.8in) of H2O descends during on average 15 days.